We hereby consent to the incorporation by reference in this Registration Statement of Chevron
Corporation on Form S-3 of our report dated
February 25, 2010 relating to the consolidated
financial statements, financial statement schedule and the effectiveness of internal control over
financial reporting, which appears in Chevron Corporation’s Annual Report on Form 10-K for the year
ended
December 31, 2009. We also consent to the reference to us under the heading
“Experts” in such Registration Statement.